/***************************************************************************/
/*                                                                         */
/*  rastpic.c                                                              */
/*                                                                         */
/*    The FreeType position independent code services for raster module.   */
/*                                                                         */
/*  Copyright 2009, 2010 by                                                */
/*  Oran Agra and Mickey Gabel.                                            */
/*                                                                         */
/*  This file is part of the FreeType project, and may only be used,       */
/*  modified, and distributed under the terms of the FreeType project      */
/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
/*  this file you indicate that you have read the license and              */
/*  understand and accept it fully.                                        */
/*                                                                         */
/***************************************************************************/


#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_OBJECTS_H
#include "rastpic.h"
#include "rasterrs.h"

#ifdef FT_CONFIG_OPTION_PIC

/* forward declaration of PIC init functions from ftraster.c */
void
FT_Init_Class_ft_standard_raster( FT_Raster_Funcs*  funcs );

void
ft_raster1_renderer_class_pic_free( FT_Library  library )
{
  FT_PIC_Container*  pic_container = &library->pic_container;
  FT_Memory  memory = library->memory;


  if ( pic_container->raster )
  {
    RasterPIC* container = (RasterPIC*)pic_container->raster;
    if ( --container->ref_count )
      return;
    FT_FREE( container );
    pic_container->raster = NULL;
  }
}


FT_Error
ft_raster1_renderer_class_pic_init( FT_Library  library )
{
  FT_PIC_Container* pic_container = &library->pic_container;
  FT_Error          error         = Raster_Err_Ok;
  RasterPIC*        container;
  FT_Memory         memory        = library->memory;


  /* since this function also serve raster5 renderer,
     it implements reference counting */
  if ( pic_container->raster )
  {
    ((RasterPIC*)pic_container->raster)->ref_count++;
    return error;
  }

  /* allocate pointer, clear and set global container pointer */
  if ( FT_ALLOC( container, sizeof ( *container ) ) )
    return error;
  FT_MEM_SET( container, 0, sizeof ( *container ) );
  pic_container->raster = container;
  container->ref_count = 1;

  /* initialize pointer table - this is how the module usually expects this data */
  FT_Init_Class_ft_standard_raster( &container->ft_standard_raster );
/*Exit:*/
  if( error )
    ft_raster1_renderer_class_pic_free( library );
  return error;
}

/* re-route these init and free functions to the above functions */
FT_Error
ft_raster5_renderer_class_pic_init( FT_Library  library )
{
  return ft_raster1_renderer_class_pic_init( library );
}

void
ft_raster5_renderer_class_pic_free( FT_Library  library )
{
  ft_raster1_renderer_class_pic_free( library );
}

#endif /* FT_CONFIG_OPTION_PIC */


/* END */
